Read the sentence.

My best friend and I like to laugh together and to help each other.

Which response correctly explains the function of the infinitive phrases in the sentence?

Responses

The infinitive phrases function as adverbs.
The infinitive phrases function as adverbs.

The infinitive phrases function as adjectives.
The infinitive phrases function as adjectives.

The infinitive phrases function as nouns.
The infinitive phrases function as nouns.

The infinitive phrases function as verbs.